CMBas De Boer
NED · FIDE ID 1050729 · 47 tournament games since 2022
Standard
2184
#309 in NED (active)
Rapid
2110
#168 in NED (active)
Blitz
2071
#314 in NED (active)
Score
54%
16 W · 19 D · 12 L
Opp. avg
2114
Last 47 games
Last game
2024-12-30
Chess Festival Groningen 2024
Prep summary
- As White: 1.d4 in 68% of games (scores 50%), otherwise 1.Nf3 (28%).
- Against 1.e4: 1...c5 in 7 of 9 games (Sicilian Defense), scoring 50%.
- Against 1.d4: 1...Nf6 in 5 of 8 games (Indian Defense), scoring 60%.
- By opponent strength: 30% against higher-rated players, 83% against lower-rated.
- Drawish: 40% of games end in a draw.
Based on 47 over-the-board games (1 rapid). 25 with White (56%), 22 with Black (52%).
Openings as White
First move
| 1.d4 | 17 | 50% |
| 1.Nf3 | 7 | 64% |
| 1.c4 | 1 | 100% |
Most played
| Opening | Games | Score |
|---|---|---|
| Bogo-Indian Defense: Grünfeld Variation | 2 | 50% |
| Zukertort Opening: Reversed Grünfeld | 1 | 50% |
| Robatsch Defense: Rossolimo Variation | 1 | 50% |
| Queen's Gambit Declined: Three Knights Variation | 1 | 100% |
| Tarrasch Defense: Symmetrical Variation | 1 | 50% |
Openings as Black
Against 1.e4 (9 games)
| 1...c5 Sicilian Defense | 7 | 50% |
| 1...e5 King's Pawn Game | 2 | 75% |
Against 1.d4 (8 games)
| 1...Nf6 Indian Defense | 5 | 60% |
| 1...d5 Queen's Pawn Game | 3 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Nimzo-Indian Defense: Normal Variation | 2 | 50% |
| Petrov's Defense: Kaufmann Attack | 1 | 50% |
| Petrov's Defense: Classical Attack, Staunton Variation | 1 | 100% |
| Sicilian Defense: Richter-Rauzer Variation, Modern Variation | 1 | 0% |
| Sicilian Defense: French Variation | 1 | 50% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2024-12-30 | Gachatur Kazarjan (2067) Chess Festival Groningen 2024 | ½ |
| 2024-12-29 | David Madularea (2245) Chess Festival Groningen 2024 | ½ |
| 2024-12-28 | Loek Van der Hagen (2315) Chess Festival Groningen 2024 | ½ |
| 2024-12-27 | Toni Ponnio (2111) Chess Festival Groningen 2024 | W |
| 2024-12-26 | Vincent Spit (2113) Chess Festival Groningen 2024 | W |
| 2024-12-24 | Daan Noordenbos (2130) Chess Festival Groningen 2024 | L |
| 2024-12-23 | Rik Van Rootselaar (2265) Chess Festival Groningen 2024 | ½ |
| 2024-12-22 | Casper Wouters (2110) Chess Festival Groningen 2024 | ½ |
| 2024-12-21 | Zyon Kollen (2344) Chess Festival Groningen 2024 | L |
| 2024-11-03 | Dusan Nedic (2345) 7. Sparkassen Schach Open Leer | A-Open | L |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.